Lophotrochozoa

Question 1

LOPHOTROCHOZOA

Question 2

What are lophotrochozoa?,

Answer 2

Non molting protostomes

Question 3

What does eucoelomate mean?

Answer 3

Having a body cavity that is coelom.

Question 4

What are the phyla of Lophotrochozoa?

Answer 4

Rotifera, Gastrotricha, Annelida, Mollusca

Question 5

What are phylum Rotifera?

Answer 5

Wheel bearing

Question 6

What is the wheel called in rotifera?

Answer 6

Corona

Question 7

What is metachronal synchrony (rotifera)

Answer 7

When the cilia beat in a way that makes it look like ti spinning, also creates current that pulls in food to the mastak

Question 8

What is a mastak (rotifera)

Answer 8

Modified mouth

Question 9

What is phylum Gastrotricha?

Answer 9

Hair bellies

Question 10

Where can you find gastrotricha?>

Answer 10

Aquatic habitats

Question 11

Are gastrotricha modal or cecil?

Answer 11

Modal, and covered in cilia

Question 12

What is phylum Annelida?

Answer 12

Segmented worms (Earthworms) They have little rings

Question 13

What are somites? (Annelida)

Answer 13

Units of repeated organs ect

Question 14

What are nephridia (Annelida)

Answer 14

They help with cleaning waste from circulatory system, a pair of them in each segment

Question 15

What are the classes of Annelida?

Answer 15

Polychaeta, Oligochaeta, and Hirudinea

Question 16

What is class polychaeta?

Answer 16

They have lots of setae and have a head region with eyes.

Question 17

What is a parapodia? (polychaeta)

Answer 17

It is a lateral appendage to help move, exchange gas, and feed

Question 18

Sedementary versus Errant

Answer 18

Sedimentary don’t move (featherduster worm and lugworm), errant move around (sea mouse and pololo worm).

Question 19

What is class Oligochaeta

Answer 19

They are “few setae” and are marine, freshwater, and terrestrial

Question 20

What is a citellum?

Answer 20

Band structure that produces mucus and helps with reproduction

Question 21

Do Oligochaeta have male or female gamete producing structures?

Answer 21

Both

Question 22

What is class Hirudinea

Answer 22

The leeches, marine freshwater and terrestrial

Question 23

What does ectoparasite mean?

Answer 23

Latch on to the outside of host

Question 24

What does hemophore mean?

Answer 24

They eat blood

Question 25

Do leeches have seta?

Answer 25

Not very defined

Question 26

Phylum Mollusca

Answer 26

This is the second biggest phyla of all animals. They range from microscopic -> 10 meters in size.

Question 27

What are some economically important traits of Mollusca

Answer 27

Food, pearls, shells, and fossils.

Question 28

What are some parts of Mollusca?

Answer 28

Foot, mantle, radula, head, and developed organ sustem. They have cristalline style that pulls mucus.

Question 29

What are the classes of Mollusca?

Answer 29

Polyplacophora, gastropoda, bivalvia, and cephalopoda.

Question 30

Class Polyplacophora

Answer 30

"Gum boots" have 8 valves embedded into mantle, foot is very muscular. They have radulata to grasp algae.

Question 31

Class Gastropoda

Answer 31

Means belly foot. Snails, slugs, abalone, conches. Torsion twisted shells in spiral form that allows for growth over time

Question 32

Class Bivalvia

Answer 32

They have 2 valves. Shells. Oysters, clams, muscles, ect. They have siphons to bring water in and out. They have gills for gas eschange, feeding, and reproduction

Question 33

Class Cephalopoda

Answer 33

Head feet: squid, octopus, cuttlefish, ect. They have arms and tentacles